/*
 * File    : PRUDPPacketReceiver.java
 * Created : 20-Jan-2004
 * By      : parg
 * 
 * Azureus - a Java Bittorrent client
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details ( see the LICENSE file ).
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package com.aelitis.net.udp.uc;

/**
 * @author parg
 *
 */

import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.net.PasswordAuthentication;

public interface PRUDPPacketHandler {
    public static final int PRIORITY_LOW = 2;
    public static final int PRIORITY_MEDIUM = 1;
    public static final int PRIORITY_HIGH = 0;

    public static final int PRIORITY_IMMEDIATE = 99;

    /**
     * Asynchronous send and receive
     * 
     * @param request_packet
     * @param destination_address
     * @param receiver
     * @throws PRUDPPacketHandlerException
     */

    public void sendAndReceive(PRUDPPacket request_packet, InetSocketAddress destination_address, PRUDPPacketReceiver receiver, long timeout,
            int priority)

    throws PRUDPPacketHandlerException;

    /**
     * Synchronous send and receive
     * 
     * @param auth
     * @param request_packet
     * @param destination_address
     * @return
     * @throws PRUDPPacketHandlerException
     */

    public PRUDPPacket sendAndReceive(PasswordAuthentication auth, PRUDPPacket request_packet, InetSocketAddress destination_address)

    throws PRUDPPacketHandlerException;

    public PRUDPPacket sendAndReceive(PasswordAuthentication auth, PRUDPPacket request_packet, InetSocketAddress destination_address,
            long timeout_millis)

    throws PRUDPPacketHandlerException;

    public PRUDPPacket sendAndReceive(PasswordAuthentication auth, PRUDPPacket request_packet, InetSocketAddress destination_address,
            long timeout_millis, int priority)

    throws PRUDPPacketHandlerException;

    /**
     * Send only
     * 
     * @param request_packet
     * @param destination_address
     * @throws PRUDPPacketHandlerException
     */

    public void send(PRUDPPacket request_packet, InetSocketAddress destination_address)

    throws PRUDPPacketHandlerException;

    public PRUDPRequestHandler getRequestHandler();

    public void setRequestHandler(PRUDPRequestHandler request_handler);

    public void primordialSend(byte[] data, InetSocketAddress target)

    throws PRUDPPacketHandlerException;

    public boolean hasPrimordialHandler();

    public void addPrimordialHandler(PRUDPPrimordialHandler handler);

    public void removePrimordialHandler(PRUDPPrimordialHandler handler);

    public int getPort();

    public InetAddress getBindIP();

    public void setDelays(int send_delay, int receive_delay, int queued_request_timeout);

    public void setExplicitBindAddress(InetAddress address);

    public PRUDPPacketHandlerStats getStats();

    public PRUDPPacketHandler openSession(InetSocketAddress target)

    throws PRUDPPacketHandlerException;

    public void closeSession()

    throws PRUDPPacketHandlerException;

    public void destroy();
}
